In our class, when the bell rang and the teacher closed his book, it was a ______ for everyone to stand up.
| A．signal | B．chance | C．mark | D．measure |
________ with his work in the Satellite Launch Site，he could not spare any time to stay with his parents though they are very old.
| A．As occupying | B．Occupied | C．Having occupied | D．To occupy |
—Can I take the car away without being fined?
—________.Nobody can go away with breaking the rule.
| A．Out of question | B．There is no question | C．Without question | D．Out of the question |
She’ll never forget her stay there ______ she found her son who had gone missing two years before.
| A．that | B．which | C．where | D．when |
—Hi , Tracy , you look tired.—I’m tried. I ______ the living room all day.
| A．painted | B．had painted | C．have been painting | D．have painted |
She felt ______ about wearing the improper garment in the party.
| A．embarrassing | B．embarrass | C．to embarrass | D．embarrassed |